linux-kernel - Re: linux-next: ACPI I/O resource conflicts warning

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Date:	Fri, 9 May 2008 18:58:31 +0200
From:	Jean Delvare <khali@...ux-fr.org>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	trenn@...e.de,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org
Subject: Re: linux-next: ACPI I/O resource conflicts warning

On Fri, 09 May 2008 18:52:11 +0200, Gabriel C wrote:
> Thomas Renninger wrote:
> > On Fri, 2008-05-09 at 03:20 +0200, Gabriel C wrote:
> >> Hi all ,
> >>
> >> I've noticed on linux-next from today the following ACPI warning:
> >>
> >> ...
> >>
> >> [4294023.308622] ACPI: PCI Interrupt 0000:00:1f.3[C] -> GSI 18 (level, low) -> IRQ 18
> >> [4294023.308622] ACPI: I/O resource  [0x400-0x41f] conflicts with ACPI region SMRG [0x400-0x40f]
> >> [4294023.316478] ACPI: Device needs an ACPI driver
> > 
> > You use libsensors and the sensor you use is also declared and possibly
> > used via ACPI.
> 
> Not really , lsmsensors was not running and no modules loaded for my sensors but yeah when I start it another warning
> pops up ( this one I've reported to lm-sensors mailing list )

Could be your SMBus controller then, we have these checks in both hwmon
drivers and i2c bus drivers... Check what appears at 0x400
in /proc/iports.

> w83627ehf: Found W83627DHG chip at 0x290
> ACPI: I/O resource w83627ehf [0x295-0x296] conflicts with ACPI region HWRE [0x290-0x299]
> ACPI: Device needs an ACPI driver
> 
> > 
> >> dsdt.dsl from my motherboard can be found there:
> >>
> >> http://frugalware.org/~crazy/ASUS_P5E-VM_DO/dsdt.dsl
> >>
> >> full dmesg:
> >>
> >> http://frugalware.org/~crazy/dmesg/DMAR/dmesg
> >>
> >> Please let me know if you need more infos.
> > 
> > Maybe you could open a bug report on bugzilla.kernel.org and post
> > acpidump and dmi output (not only dsdt) there. Then we could collect
> > affected BIOSes at one central place for further evaluation and
> > discussion.
> 
> Sure I will open an task about soon.

When you do, please add me to Cc, thanks.

-- 
Jean Delvare
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